* [NOD-70] Added GetBlockTemplate method to rpcclient
* [NOD-70] Basic infrastructure for mining simulator
* [NOD-70] Fix txFees in NewBlockTempalte: include value for fee transaction + don't set fee for coinbase = -totalFees.
* [NOD-70] Added capabilities parameter to Client.GetBlockTemplate call
* [NOD-70] Dirty version of mining simulator complete
* [NOD-70] cleaned up mining simulator
* [NOD-70] Added dockerfile to mining simulator
* [NOD-70] Updated base config path of mining simulator to mining_simulator
* [NOD-70] Remove error return from msgblock.AddTransaction - it never returns one
* [NOD-70] Renamed r -> random
* [NOD-70] Move paths initialization of mining simulator to main
* [NOD-70] Cleaned up mining simulator dockerfile
* [NOD-70] Add '--' to tini argument